291494580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 288

約数和(自身を含む): 996105600

約数和(自身を除く): 704611020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 19, 20, 26, 30, 34, 38, 39, 51, 52, 57, 60, 65, 68, 76, 78, 85, 89, 95, 102, 114, 130, 156, 169, 170, 178, 190, 195, 204, 221, 228, 247, 255, 260, 267, 285, 323, 338, 340, 356, 380, 390, 442, 445, 494, 507, 510, 534, 570, 646, 663, 676, 741, 780, 845, 884, 890, 969, 988, 1014, 1020, 1068, 1105, 1140, 1157, 1235, 1292, 1326, 1335, 1482, 1513, 1615, 1690, 1691, 1780, 1938, 2028, 2210, 2314, 2470, 2535, 2652, 2670, 2873, 2964, 3026, 3211, 3230, 3315, 3380, 3382, 3471, 3705, 3876, 4199, 4420, 4539, 4628, 4845, 4940, 5070, 5073, 5340, 5746, 5785, 6052, 6422, 6460, 6630, 6764, 6942, 7410, 7565, 8398, 8455, 8619, 9078, 9633, 9690, 10140, 10146, 11492, 11570, 12597, 12844, 13260, 13884, 14365, 14820, 15041, 15130, 16055, 16796, 16910, 17238, 17355, 18156, 19266, 19380, 19669, 20292, 20995, 21983, 22695, 23140, 25194, 25365, 28730, 28747, 30082, 30260, 32110, 33820, 34476, 34710, 38532, 39338, 41990, 43095, 43966, 45123, 45390, 48165, 50388, 50730, 54587, 57460, 57494, 59007, 60164, 62985, 64220, 65949, 69420, 75205, 78676, 83980, 86190, 86241, 87932, 90246, 90780, 96330, 98345, 101460, 109174, 109915, 114988, 118014, 125970, 131898, 143735, 150410, 163761, 172380, 172482, 180492, 192660, 196690, 218348, 219830, 225615, 236028, 251940, 255697, 263796, 272935, 285779, 287470, 295035, 300820, 327522, 329745, 344964, 373711, 393380, 431205, 439660, 451230, 511394, 545870, 571558, 574940, 590070, 655044, 659490, 747422, 767091, 818805, 857337, 862410, 902460, 1022788, 1091740, 1121133, 1143116, 1180140, 1278485, 1318980, 1428895, 1494844, 1534182, 1637610, 1714674, 1724820, 1868555, 2242266, 2556970, 2857790, 3068364, 3275220, 3429348, 3737110, 3835455, 4286685, 4484532, 4858243, 5113940, 5605665, 5715580, 7474220, 7670910, 8573370, 9716486, 11211330, 14574729, 15341820, 17146740, 19432972, 22422660, 24291215, 29149458, 48582430, 58298916, 72873645, 97164860, 145747290, 291494580]

約数ペア:

[(1, 291494580), (2, 145747290), (3, 97164860), (4, 72873645), (5, 58298916), (6, 48582430), (10, 29149458), (12, 24291215), (13, 22422660), (15, 19432972), (17, 17146740), (19, 15341820), (20, 14574729), (26, 11211330), (30, 9716486), (34, 8573370), (38, 7670910), (39, 7474220), (51, 5715580), (52, 5605665), (57, 5113940), (60, 4858243), (65, 4484532), (68, 4286685), (76, 3835455), (78, 3737110), (85, 3429348), (89, 3275220), (95, 3068364), (102, 2857790), (114, 2556970), (130, 2242266), (156, 1868555), (169, 1724820), (170, 1714674), (178, 1637610), (190, 1534182), (195, 1494844), (204, 1428895), (221, 1318980), (228, 1278485), (247, 1180140), (255, 1143116), (260, 1121133), (267, 1091740), (285, 1022788), (323, 902460), (338, 862410), (340, 857337), (356, 818805), (380, 767091), (390, 747422), (442, 659490), (445, 655044), (494, 590070), (507, 574940), (510, 571558), (534, 545870), (570, 511394), (646, 451230), (663, 439660), (676, 431205), (741, 393380), (780, 373711), (845, 344964), (884, 329745), (890, 327522), (969, 300820), (988, 295035), (1014, 287470), (1020, 285779), (1068, 272935), (1105, 263796), (1140, 255697), (1157, 251940), (1235, 236028), (1292, 225615), (1326, 219830), (1335, 218348), (1482, 196690), (1513, 192660), (1615, 180492), (1690, 172482), (1691, 172380), (1780, 163761), (1938, 150410), (2028, 143735), (2210, 131898), (2314, 125970), (2470, 118014), (2535, 114988), (2652, 109915), (2670, 109174), (2873, 101460), (2964, 98345), (3026, 96330), (3211, 90780), (3230, 90246), (3315, 87932), (3380, 86241), (3382, 86190), (3471, 83980), (3705, 78676), (3876, 75205), (4199, 69420), (4420, 65949), (4539, 64220), (4628, 62985), (4845, 60164), (4940, 59007), (5070, 57494), (5073, 57460), (5340, 54587), (5746, 50730), (5785, 50388), (6052, 48165), (6422, 45390), (6460, 45123), (6630, 43966), (6764, 43095), (6942, 41990), (7410, 39338), (7565, 38532), (8398, 34710), (8455, 34476), (8619, 33820), (9078, 32110), (9633, 30260), (9690, 30082), (10140, 28747), (10146, 28730), (11492, 25365), (11570, 25194), (12597, 23140), (12844, 22695), (13260, 21983), (13884, 20995), (14365, 20292), (14820, 19669), (15041, 19380), (15130, 19266), (16055, 18156), (16796, 17355), (16910, 17238)]