31492500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:76

約数の個数: 240

約数和(自身を含む): 110214720

約数和(自身を除く): 78722220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 19, 20, 25, 26, 30, 34, 38, 39, 50, 51, 52, 57, 60, 65, 68, 75, 76, 78, 85, 95, 100, 102, 114, 125, 130, 150, 156, 170, 190, 195, 204, 221, 228, 247, 250, 255, 260, 285, 300, 323, 325, 340, 375, 380, 390, 425, 442, 475, 494, 500, 510, 570, 625, 646, 650, 663, 741, 750, 780, 850, 884, 950, 969, 975, 988, 1020, 1105, 1140, 1235, 1250, 1275, 1292, 1300, 1326, 1425, 1482, 1500, 1615, 1625, 1700, 1875, 1900, 1938, 1950, 2125, 2210, 2375, 2470, 2500, 2550, 2652, 2850, 2964, 3230, 3250, 3315, 3705, 3750, 3876, 3900, 4199, 4250, 4420, 4750, 4845, 4875, 4940, 5100, 5525, 5700, 6175, 6375, 6460, 6500, 6630, 7125, 7410, 7500, 8075, 8125, 8398, 8500, 9500, 9690, 9750, 10625, 11050, 11875, 12350, 12597, 12750, 13260, 14250, 14820, 16150, 16250, 16575, 16796, 18525, 19380, 19500, 20995, 21250, 22100, 23750, 24225, 24375, 24700, 25194, 25500, 27625, 28500, 30875, 31875, 32300, 32500, 33150, 35625, 37050, 40375, 41990, 42500, 47500, 48450, 48750, 50388, 55250, 61750, 62985, 63750, 66300, 71250, 74100, 80750, 82875, 83980, 92625, 96900, 97500, 104975, 110500, 121125, 123500, 125970, 127500, 138125, 142500, 154375, 161500, 165750, 185250, 201875, 209950, 242250, 251940, 276250, 308750, 314925, 331500, 370500, 403750, 414375, 419900, 463125, 484500, 524875, 552500, 605625, 617500, 629850, 807500, 828750, 926250, 1049750, 1211250, 1259700, 1574625, 1657500, 1852500, 2099500, 2422500, 2624375, 3149250, 5248750, 6298500, 7873125, 10497500, 15746250, 31492500]

約数ペア:

[(1, 31492500), (2, 15746250), (3, 10497500), (4, 7873125), (5, 6298500), (6, 5248750), (10, 3149250), (12, 2624375), (13, 2422500), (15, 2099500), (17, 1852500), (19, 1657500), (20, 1574625), (25, 1259700), (26, 1211250), (30, 1049750), (34, 926250), (38, 828750), (39, 807500), (50, 629850), (51, 617500), (52, 605625), (57, 552500), (60, 524875), (65, 484500), (68, 463125), (75, 419900), (76, 414375), (78, 403750), (85, 370500), (95, 331500), (100, 314925), (102, 308750), (114, 276250), (125, 251940), (130, 242250), (150, 209950), (156, 201875), (170, 185250), (190, 165750), (195, 161500), (204, 154375), (221, 142500), (228, 138125), (247, 127500), (250, 125970), (255, 123500), (260, 121125), (285, 110500), (300, 104975), (323, 97500), (325, 96900), (340, 92625), (375, 83980), (380, 82875), (390, 80750), (425, 74100), (442, 71250), (475, 66300), (494, 63750), (500, 62985), (510, 61750), (570, 55250), (625, 50388), (646, 48750), (650, 48450), (663, 47500), (741, 42500), (750, 41990), (780, 40375), (850, 37050), (884, 35625), (950, 33150), (969, 32500), (975, 32300), (988, 31875), (1020, 30875), (1105, 28500), (1140, 27625), (1235, 25500), (1250, 25194), (1275, 24700), (1292, 24375), (1300, 24225), (1326, 23750), (1425, 22100), (1482, 21250), (1500, 20995), (1615, 19500), (1625, 19380), (1700, 18525), (1875, 16796), (1900, 16575), (1938, 16250), (1950, 16150), (2125, 14820), (2210, 14250), (2375, 13260), (2470, 12750), (2500, 12597), (2550, 12350), (2652, 11875), (2850, 11050), (2964, 10625), (3230, 9750), (3250, 9690), (3315, 9500), (3705, 8500), (3750, 8398), (3876, 8125), (3900, 8075), (4199, 7500), (4250, 7410), (4420, 7125), (4750, 6630), (4845, 6500), (4875, 6460), (4940, 6375), (5100, 6175), (5525, 5700)]