217818090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:657

約数の個数: 192

約数和(自身を含む): 704471040

約数和(自身を除く): 486652950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 31, 35, 38, 42, 45, 57, 62, 63, 70, 90, 93, 95, 105, 114, 126, 133, 155, 171, 186, 190, 210, 217, 266, 279, 285, 310, 315, 342, 399, 434, 465, 558, 570, 587, 589, 630, 651, 665, 798, 855, 930, 1085, 1174, 1178, 1197, 1302, 1330, 1395, 1710, 1761, 1767, 1953, 1995, 2170, 2394, 2790, 2935, 2945, 3255, 3522, 3534, 3906, 3990, 4109, 4123, 5283, 5301, 5870, 5890, 5985, 6510, 8218, 8246, 8805, 8835, 9765, 10566, 10602, 11153, 11970, 12327, 12369, 17610, 17670, 18197, 19530, 20545, 20615, 22306, 24654, 24738, 26415, 26505, 33459, 36394, 36981, 37107, 41090, 41230, 52830, 53010, 54591, 55765, 61635, 61845, 66918, 73962, 74214, 78071, 90985, 100377, 109182, 111530, 123270, 123690, 127379, 156142, 163773, 167295, 181970, 184905, 185535, 200754, 234213, 254758, 272955, 327546, 334590, 345743, 369810, 371070, 382137, 390355, 468426, 501885, 545910, 636895, 691486, 702639, 764274, 780710, 818865, 1003770, 1037229, 1146411, 1171065, 1273790, 1405278, 1637730, 1728715, 1910685, 2074458, 2292822, 2342130, 2420201, 3111687, 3457430, 3513195, 3821370, 4840402, 5186145, 5732055, 6223374, 7026390, 7260603, 10372290, 11464110, 12101005, 14521206, 15558435, 21781809, 24202010, 31116870, 36303015, 43563618, 72606030, 108909045, 217818090]

約数ペア:

[(1, 217818090), (2, 108909045), (3, 72606030), (5, 43563618), (6, 36303015), (7, 31116870), (9, 24202010), (10, 21781809), (14, 15558435), (15, 14521206), (18, 12101005), (19, 11464110), (21, 10372290), (30, 7260603), (31, 7026390), (35, 6223374), (38, 5732055), (42, 5186145), (45, 4840402), (57, 3821370), (62, 3513195), (63, 3457430), (70, 3111687), (90, 2420201), (93, 2342130), (95, 2292822), (105, 2074458), (114, 1910685), (126, 1728715), (133, 1637730), (155, 1405278), (171, 1273790), (186, 1171065), (190, 1146411), (210, 1037229), (217, 1003770), (266, 818865), (279, 780710), (285, 764274), (310, 702639), (315, 691486), (342, 636895), (399, 545910), (434, 501885), (465, 468426), (558, 390355), (570, 382137), (587, 371070), (589, 369810), (630, 345743), (651, 334590), (665, 327546), (798, 272955), (855, 254758), (930, 234213), (1085, 200754), (1174, 185535), (1178, 184905), (1197, 181970), (1302, 167295), (1330, 163773), (1395, 156142), (1710, 127379), (1761, 123690), (1767, 123270), (1953, 111530), (1995, 109182), (2170, 100377), (2394, 90985), (2790, 78071), (2935, 74214), (2945, 73962), (3255, 66918), (3522, 61845), (3534, 61635), (3906, 55765), (3990, 54591), (4109, 53010), (4123, 52830), (5283, 41230), (5301, 41090), (5870, 37107), (5890, 36981), (5985, 36394), (6510, 33459), (8218, 26505), (8246, 26415), (8805, 24738), (8835, 24654), (9765, 22306), (10566, 20615), (10602, 20545), (11153, 19530), (11970, 18197), (12327, 17670), (12369, 17610)]