78150420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2579

約数の個数: 120

約数和(自身を含む): 258165600

約数和(自身を除く): 180015180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2539, 2565, 3078, 3420, 5078, 5130, 6156, 7617, 7695, 10156, 10260, 12695, 15234, 15390, 22851, 25390, 30468, 30780, 38085, 45702, 48241, 50780, 68553, 76170, 91404, 96482, 114255, 137106, 144723, 152340, 192964, 205659, 228510, 241205, 274212, 289446, 342765, 411318, 434169, 457020, 482410, 578892, 685530, 723615, 822636, 868338, 964820, 1028295, 1302507, 1371060, 1447230, 1736676, 2056590, 2170845, 2605014, 2894460, 3907521, 4113180, 4341690, 5210028, 6512535, 7815042, 8683380, 13025070, 15630084, 19537605, 26050140, 39075210, 78150420]

約数ペア:

[(1, 78150420), (2, 39075210), (3, 26050140), (4, 19537605), (5, 15630084), (6, 13025070), (9, 8683380), (10, 7815042), (12, 6512535), (15, 5210028), (18, 4341690), (19, 4113180), (20, 3907521), (27, 2894460), (30, 2605014), (36, 2170845), (38, 2056590), (45, 1736676), (54, 1447230), (57, 1371060), (60, 1302507), (76, 1028295), (81, 964820), (90, 868338), (95, 822636), (108, 723615), (114, 685530), (135, 578892), (162, 482410), (171, 457020), (180, 434169), (190, 411318), (228, 342765), (270, 289446), (285, 274212), (324, 241205), (342, 228510), (380, 205659), (405, 192964), (513, 152340), (540, 144723), (570, 137106), (684, 114255), (810, 96482), (855, 91404), (1026, 76170), (1140, 68553), (1539, 50780), (1620, 48241), (1710, 45702), (2052, 38085), (2539, 30780), (2565, 30468), (3078, 25390), (3420, 22851), (5078, 15390), (5130, 15234), (6156, 12695), (7617, 10260), (7695, 10156)]