79811940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{463}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 256773888

約数和(自身を除く): 176961948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 169, 170, 195, 204, 221, 255, 260, 338, 340, 390, 442, 463, 507, 510, 663, 676, 780, 845, 884, 926, 1014, 1020, 1105, 1326, 1389, 1690, 1852, 2028, 2210, 2315, 2535, 2652, 2778, 2873, 3315, 3380, 4420, 4630, 5070, 5556, 5746, 6019, 6630, 6945, 7871, 8619, 9260, 10140, 11492, 12038, 13260, 13890, 14365, 15742, 17238, 18057, 23613, 24076, 27780, 28730, 30095, 31484, 34476, 36114, 39355, 43095, 47226, 57460, 60190, 72228, 78247, 78710, 86190, 90285, 94452, 102323, 118065, 120380, 156494, 157420, 172380, 180570, 204646, 234741, 236130, 306969, 312988, 361140, 391235, 409292, 469482, 472260, 511615, 613938, 782470, 938964, 1023230, 1173705, 1227876, 1330199, 1534845, 1564940, 2046460, 2347410, 2660398, 3069690, 3990597, 4694820, 5320796, 6139380, 6650995, 7981194, 13301990, 15962388, 19952985, 26603980, 39905970, 79811940]

約数ペア:

[(1, 79811940), (2, 39905970), (3, 26603980), (4, 19952985), (5, 15962388), (6, 13301990), (10, 7981194), (12, 6650995), (13, 6139380), (15, 5320796), (17, 4694820), (20, 3990597), (26, 3069690), (30, 2660398), (34, 2347410), (39, 2046460), (51, 1564940), (52, 1534845), (60, 1330199), (65, 1227876), (68, 1173705), (78, 1023230), (85, 938964), (102, 782470), (130, 613938), (156, 511615), (169, 472260), (170, 469482), (195, 409292), (204, 391235), (221, 361140), (255, 312988), (260, 306969), (338, 236130), (340, 234741), (390, 204646), (442, 180570), (463, 172380), (507, 157420), (510, 156494), (663, 120380), (676, 118065), (780, 102323), (845, 94452), (884, 90285), (926, 86190), (1014, 78710), (1020, 78247), (1105, 72228), (1326, 60190), (1389, 57460), (1690, 47226), (1852, 43095), (2028, 39355), (2210, 36114), (2315, 34476), (2535, 31484), (2652, 30095), (2778, 28730), (2873, 27780), (3315, 24076), (3380, 23613), (4420, 18057), (4630, 17238), (5070, 15742), (5556, 14365), (5746, 13890), (6019, 13260), (6630, 12038), (6945, 11492), (7871, 10140), (8619, 9260)]