173566520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 435456000

約数和(自身を除く): 261889480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 53, 62, 76, 95, 106, 124, 139, 152, 155, 190, 212, 248, 265, 278, 310, 380, 424, 530, 556, 589, 620, 695, 760, 1007, 1060, 1112, 1178, 1240, 1390, 1643, 2014, 2120, 2356, 2641, 2780, 2945, 3286, 4028, 4309, 4712, 5035, 5282, 5560, 5890, 6572, 7367, 8056, 8215, 8618, 10070, 10564, 11780, 13144, 13205, 14734, 16430, 17236, 20140, 21128, 21545, 23560, 26410, 29468, 31217, 32860, 34472, 36835, 40280, 43090, 52820, 58936, 62434, 65720, 73670, 81871, 86180, 105640, 124868, 139973, 147340, 156085, 163742, 172360, 228377, 249736, 279946, 294680, 312170, 327484, 409355, 456754, 559892, 624340, 654968, 699865, 818710, 913508, 1119784, 1141885, 1248680, 1399730, 1637420, 1827016, 2283770, 2799460, 3274840, 4339163, 4567540, 5598920, 8678326, 9135080, 17356652, 21695815, 34713304, 43391630, 86783260, 173566520]

約数ペア:

[(1, 173566520), (2, 86783260), (4, 43391630), (5, 34713304), (8, 21695815), (10, 17356652), (19, 9135080), (20, 8678326), (31, 5598920), (38, 4567540), (40, 4339163), (53, 3274840), (62, 2799460), (76, 2283770), (95, 1827016), (106, 1637420), (124, 1399730), (139, 1248680), (152, 1141885), (155, 1119784), (190, 913508), (212, 818710), (248, 699865), (265, 654968), (278, 624340), (310, 559892), (380, 456754), (424, 409355), (530, 327484), (556, 312170), (589, 294680), (620, 279946), (695, 249736), (760, 228377), (1007, 172360), (1060, 163742), (1112, 156085), (1178, 147340), (1240, 139973), (1390, 124868), (1643, 105640), (2014, 86180), (2120, 81871), (2356, 73670), (2641, 65720), (2780, 62434), (2945, 58936), (3286, 52820), (4028, 43090), (4309, 40280), (4712, 36835), (5035, 34472), (5282, 32860), (5560, 31217), (5890, 29468), (6572, 26410), (7367, 23560), (8056, 21545), (8215, 21128), (8618, 20140), (10070, 17236), (10564, 16430), (11780, 14734), (13144, 13205)]