78615225

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 144

約数和(自身を含む): 170544640

約数和(自身を除く): 91929415

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 27, 31, 39, 45, 51, 65, 75, 85, 93, 117, 135, 153, 155, 195, 221, 225, 255, 279, 289, 325, 351, 403, 425, 459, 465, 527, 585, 663, 675, 765, 775, 837, 867, 975, 1105, 1209, 1275, 1395, 1445, 1581, 1755, 1989, 2015, 2295, 2325, 2601, 2635, 2925, 3315, 3627, 3757, 3825, 4185, 4335, 4743, 5525, 5967, 6045, 6851, 6975, 7225, 7803, 7905, 8775, 8959, 9945, 10075, 10881, 11271, 11475, 13005, 13175, 14229, 16575, 18135, 18785, 20553, 20925, 21675, 23715, 26877, 29835, 30225, 33813, 34255, 39015, 39525, 44795, 49725, 54405, 56355, 61659, 65025, 71145, 80631, 90675, 93925, 101439, 102765, 116467, 118575, 134385, 149175, 169065, 171275, 184977, 195075, 223975, 241893, 272025, 281775, 308295, 349401, 355725, 403155, 507195, 513825, 582335, 671925, 845325, 924885, 1048203, 1209465, 1541475, 1747005, 2015775, 2535975, 2911675, 3144609, 4624425, 5241015, 6047325, 8735025, 15723045, 26205075, 78615225]

約数ペア:

[(1, 78615225), (3, 26205075), (5, 15723045), (9, 8735025), (13, 6047325), (15, 5241015), (17, 4624425), (25, 3144609), (27, 2911675), (31, 2535975), (39, 2015775), (45, 1747005), (51, 1541475), (65, 1209465), (75, 1048203), (85, 924885), (93, 845325), (117, 671925), (135, 582335), (153, 513825), (155, 507195), (195, 403155), (221, 355725), (225, 349401), (255, 308295), (279, 281775), (289, 272025), (325, 241893), (351, 223975), (403, 195075), (425, 184977), (459, 171275), (465, 169065), (527, 149175), (585, 134385), (663, 118575), (675, 116467), (765, 102765), (775, 101439), (837, 93925), (867, 90675), (975, 80631), (1105, 71145), (1209, 65025), (1275, 61659), (1395, 56355), (1445, 54405), (1581, 49725), (1755, 44795), (1989, 39525), (2015, 39015), (2295, 34255), (2325, 33813), (2601, 30225), (2635, 29835), (2925, 26877), (3315, 23715), (3627, 21675), (3757, 20925), (3825, 20553), (4185, 18785), (4335, 18135), (4743, 16575), (5525, 14229), (5967, 13175), (6045, 13005), (6851, 11475), (6975, 11271), (7225, 10881), (7803, 10075), (7905, 9945), (8775, 8959)]