72305740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 171489024

約数和(自身を除く): 99183284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 61, 65, 94, 97, 122, 130, 188, 194, 235, 244, 260, 305, 388, 470, 485, 610, 611, 793, 940, 970, 1220, 1222, 1261, 1586, 1940, 2444, 2522, 2867, 3055, 3172, 3965, 4559, 5044, 5734, 5917, 6110, 6305, 7930, 9118, 11468, 11834, 12220, 12610, 14335, 15860, 18236, 22795, 23668, 25220, 28670, 29585, 37271, 45590, 57340, 59170, 59267, 74542, 76921, 91180, 118340, 118534, 149084, 153842, 186355, 237068, 278099, 296335, 307684, 372710, 384605, 556198, 592670, 745420, 769210, 1112396, 1185340, 1390495, 1538420, 2780990, 3615287, 5561980, 7230574, 14461148, 18076435, 36152870, 72305740]

約数ペア:

[(1, 72305740), (2, 36152870), (4, 18076435), (5, 14461148), (10, 7230574), (13, 5561980), (20, 3615287), (26, 2780990), (47, 1538420), (52, 1390495), (61, 1185340), (65, 1112396), (94, 769210), (97, 745420), (122, 592670), (130, 556198), (188, 384605), (194, 372710), (235, 307684), (244, 296335), (260, 278099), (305, 237068), (388, 186355), (470, 153842), (485, 149084), (610, 118534), (611, 118340), (793, 91180), (940, 76921), (970, 74542), (1220, 59267), (1222, 59170), (1261, 57340), (1586, 45590), (1940, 37271), (2444, 29585), (2522, 28670), (2867, 25220), (3055, 23668), (3172, 22795), (3965, 18236), (4559, 15860), (5044, 14335), (5734, 12610), (5917, 12220), (6110, 11834), (6305, 11468), (7930, 9118)]