72880380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 235033344

約数和(自身を除く): 162152964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 37, 45, 60, 62, 74, 90, 93, 111, 124, 148, 155, 180, 185, 186, 222, 279, 310, 333, 353, 370, 372, 444, 465, 555, 558, 620, 666, 706, 740, 930, 1059, 1110, 1116, 1147, 1332, 1395, 1412, 1665, 1765, 1860, 2118, 2220, 2294, 2790, 3177, 3330, 3441, 3530, 4236, 4588, 5295, 5580, 5735, 6354, 6660, 6882, 7060, 10323, 10590, 10943, 11470, 12708, 13061, 13764, 15885, 17205, 20646, 21180, 21886, 22940, 26122, 31770, 32829, 34410, 39183, 41292, 43772, 51615, 52244, 54715, 63540, 65305, 65658, 68820, 78366, 98487, 103230, 109430, 117549, 130610, 131316, 156732, 164145, 195915, 196974, 206460, 218860, 235098, 261220, 328290, 391830, 393948, 404891, 470196, 492435, 587745, 656580, 783660, 809782, 984870, 1175490, 1214673, 1619564, 1969740, 2024455, 2350980, 2429346, 3644019, 4048910, 4858692, 6073365, 7288038, 8097820, 12146730, 14576076, 18220095, 24293460, 36440190, 72880380]

約数ペア:

[(1, 72880380), (2, 36440190), (3, 24293460), (4, 18220095), (5, 14576076), (6, 12146730), (9, 8097820), (10, 7288038), (12, 6073365), (15, 4858692), (18, 4048910), (20, 3644019), (30, 2429346), (31, 2350980), (36, 2024455), (37, 1969740), (45, 1619564), (60, 1214673), (62, 1175490), (74, 984870), (90, 809782), (93, 783660), (111, 656580), (124, 587745), (148, 492435), (155, 470196), (180, 404891), (185, 393948), (186, 391830), (222, 328290), (279, 261220), (310, 235098), (333, 218860), (353, 206460), (370, 196974), (372, 195915), (444, 164145), (465, 156732), (555, 131316), (558, 130610), (620, 117549), (666, 109430), (706, 103230), (740, 98487), (930, 78366), (1059, 68820), (1110, 65658), (1116, 65305), (1147, 63540), (1332, 54715), (1395, 52244), (1412, 51615), (1665, 43772), (1765, 41292), (1860, 39183), (2118, 34410), (2220, 32829), (2294, 31770), (2790, 26122), (3177, 22940), (3330, 21886), (3441, 21180), (3530, 20646), (4236, 17205), (4588, 15885), (5295, 13764), (5580, 13061), (5735, 12708), (6354, 11470), (6660, 10943), (6882, 10590), (7060, 10323)]