80305875

素因数分解:

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

素因数の和:87

約数の個数: 144

約数和(自身を含む): 174326880

約数和(自身を除く): 94021005

約数列:

[1, 3, 5, 9, 13, 15, 17, 19, 25, 39, 45, 51, 57, 65, 75, 85, 95, 117, 125, 153, 171, 195, 221, 225, 247, 255, 285, 289, 323, 325, 375, 425, 475, 585, 663, 741, 765, 855, 867, 969, 975, 1105, 1125, 1235, 1275, 1425, 1445, 1615, 1625, 1989, 2125, 2223, 2375, 2601, 2907, 2925, 3315, 3705, 3757, 3825, 4199, 4275, 4335, 4845, 4875, 5491, 5525, 6175, 6375, 7125, 7225, 8075, 9945, 11115, 11271, 12597, 13005, 14535, 14625, 16473, 16575, 18525, 18785, 19125, 20995, 21375, 21675, 24225, 27455, 27625, 30875, 33813, 36125, 37791, 40375, 49419, 49725, 55575, 56355, 62985, 65025, 71383, 72675, 82365, 82875, 92625, 93925, 104975, 108375, 121125, 137275, 169065, 188955, 214149, 247095, 248625, 277875, 281775, 314925, 325125, 356915, 363375, 411825, 469625, 524875, 642447, 686375, 845325, 944775, 1070745, 1235475, 1408875, 1574625, 1784575, 2059125, 3212235, 4226625, 4723875, 5353725, 6177375, 8922875, 16061175, 26768625, 80305875]

約数ペア:

[(1, 80305875), (3, 26768625), (5, 16061175), (9, 8922875), (13, 6177375), (15, 5353725), (17, 4723875), (19, 4226625), (25, 3212235), (39, 2059125), (45, 1784575), (51, 1574625), (57, 1408875), (65, 1235475), (75, 1070745), (85, 944775), (95, 845325), (117, 686375), (125, 642447), (153, 524875), (171, 469625), (195, 411825), (221, 363375), (225, 356915), (247, 325125), (255, 314925), (285, 281775), (289, 277875), (323, 248625), (325, 247095), (375, 214149), (425, 188955), (475, 169065), (585, 137275), (663, 121125), (741, 108375), (765, 104975), (855, 93925), (867, 92625), (969, 82875), (975, 82365), (1105, 72675), (1125, 71383), (1235, 65025), (1275, 62985), (1425, 56355), (1445, 55575), (1615, 49725), (1625, 49419), (1989, 40375), (2125, 37791), (2223, 36125), (2375, 33813), (2601, 30875), (2907, 27625), (2925, 27455), (3315, 24225), (3705, 21675), (3757, 21375), (3825, 20995), (4199, 19125), (4275, 18785), (4335, 18525), (4845, 16575), (4875, 16473), (5491, 14625), (5525, 14535), (6175, 13005), (6375, 12597), (7125, 11271), (7225, 11115), (8075, 9945)]