18281377040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1$

素因数の和:1210

約数の個数: 240

約数和(自身を含む): 48678312960

約数和(自身を除く): 30396935920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 31, 34, 40, 46, 62, 68, 80, 85, 92, 115, 124, 136, 155, 170, 184, 230, 248, 272, 289, 310, 340, 368, 391, 460, 496, 527, 578, 620, 680, 713, 782, 920, 1054, 1109, 1156, 1240, 1360, 1426, 1445, 1564, 1840, 1955, 2108, 2218, 2312, 2480, 2635, 2852, 2890, 3128, 3565, 3910, 4216, 4436, 4624, 5270, 5545, 5704, 5780, 6256, 6647, 7130, 7820, 8432, 8872, 8959, 10540, 11090, 11408, 11560, 12121, 13294, 14260, 15640, 17744, 17918, 18853, 21080, 22180, 23120, 24242, 25507, 26588, 28520, 31280, 33235, 34379, 35836, 37706, 42160, 44360, 44795, 48484, 51014, 53176, 57040, 60605, 66470, 68758, 71672, 75412, 88720, 89590, 94265, 96968, 102028, 106352, 121210, 127535, 132940, 137516, 143344, 150824, 171895, 179180, 188530, 193936, 204056, 206057, 242420, 255070, 265880, 275032, 301648, 320501, 343790, 358360, 377060, 408112, 412114, 433619, 484840, 510140, 531760, 550064, 584443, 641002, 687580, 716720, 754120, 790717, 824228, 867238, 969680, 1020280, 1030285, 1168886, 1282004, 1375160, 1508240, 1581434, 1602505, 1648456, 1734476, 2040560, 2060570, 2168095, 2337772, 2564008, 2750320, 2922215, 3162868, 3205010, 3296912, 3468952, 3953585, 4121140, 4336190, 4675544, 5128016, 5844430, 6325736, 6410020, 6937904, 7371523, 7907170, 8242280, 8672380, 9351088, 9935531, 11688860, 12651472, 12820040, 13442189, 14743046, 15814340, 16484560, 17344760, 19871062, 23377720, 25640080, 26884378, 29486092, 31628680, 34689520, 36857615, 39742124, 46755440, 49677655, 53768756, 58972184, 63257360, 67210945, 73715230, 79484248, 99355310, 107537512, 117944368, 134421890, 147430460, 158968496, 198710620, 215075024, 228517213, 268843780, 294860920, 397421240, 457034426, 537687560, 589721840, 794842480, 914068852, 1075375120, 1142586065, 1828137704, 2285172130, 3656275408, 4570344260, 9140688520, 18281377040]

約数ペア:

[(1, 18281377040), (2, 9140688520), (4, 4570344260), (5, 3656275408), (8, 2285172130), (10, 1828137704), (16, 1142586065), (17, 1075375120), (20, 914068852), (23, 794842480), (31, 589721840), (34, 537687560), (40, 457034426), (46, 397421240), (62, 294860920), (68, 268843780), (80, 228517213), (85, 215075024), (92, 198710620), (115, 158968496), (124, 147430460), (136, 134421890), (155, 117944368), (170, 107537512), (184, 99355310), (230, 79484248), (248, 73715230), (272, 67210945), (289, 63257360), (310, 58972184), (340, 53768756), (368, 49677655), (391, 46755440), (460, 39742124), (496, 36857615), (527, 34689520), (578, 31628680), (620, 29486092), (680, 26884378), (713, 25640080), (782, 23377720), (920, 19871062), (1054, 17344760), (1109, 16484560), (1156, 15814340), (1240, 14743046), (1360, 13442189), (1426, 12820040), (1445, 12651472), (1564, 11688860), (1840, 9935531), (1955, 9351088), (2108, 8672380), (2218, 8242280), (2312, 7907170), (2480, 7371523), (2635, 6937904), (2852, 6410020), (2890, 6325736), (3128, 5844430), (3565, 5128016), (3910, 4675544), (4216, 4336190), (4436, 4121140), (4624, 3953585), (5270, 3468952), (5545, 3296912), (5704, 3205010), (5780, 3162868), (6256, 2922215), (6647, 2750320), (7130, 2564008), (7820, 2337772), (8432, 2168095), (8872, 2060570), (8959, 2040560), (10540, 1734476), (11090, 1648456), (11408, 1602505), (11560, 1581434), (12121, 1508240), (13294, 1375160), (14260, 1282004), (15640, 1168886), (17744, 1030285), (17918, 1020280), (18853, 969680), (21080, 867238), (22180, 824228), (23120, 790717), (24242, 754120), (25507, 716720), (26588, 687580), (28520, 641002), (31280, 584443), (33235, 550064), (34379, 531760), (35836, 510140), (37706, 484840), (42160, 433619), (44360, 412114), (44795, 408112), (48484, 377060), (51014, 358360), (53176, 343790), (57040, 320501), (60605, 301648), (66470, 275032), (68758, 265880), (71672, 255070), (75412, 242420), (88720, 206057), (89590, 204056), (94265, 193936), (96968, 188530), (102028, 179180), (106352, 171895), (121210, 150824), (127535, 143344), (132940, 137516)]