261215370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:637

約数の個数: 192

約数和(自身を含む): 809512704

約数和(自身を除く): 548297334

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 23, 26, 30, 34, 39, 45, 46, 51, 65, 69, 78, 85, 90, 102, 115, 117, 130, 138, 153, 170, 195, 207, 221, 230, 234, 255, 299, 306, 345, 390, 391, 414, 442, 510, 571, 585, 598, 663, 690, 765, 782, 897, 1035, 1105, 1142, 1170, 1173, 1326, 1495, 1530, 1713, 1794, 1955, 1989, 2070, 2210, 2346, 2691, 2855, 2990, 3315, 3426, 3519, 3910, 3978, 4485, 5083, 5139, 5382, 5710, 5865, 6630, 7038, 7423, 8565, 8970, 9707, 9945, 10166, 10278, 11730, 13133, 13455, 14846, 15249, 17130, 17595, 19414, 19890, 22269, 25415, 25695, 26266, 26910, 29121, 30498, 35190, 37115, 39399, 44538, 45747, 48535, 50830, 51390, 58242, 65665, 66807, 74230, 76245, 78798, 87363, 91494, 97070, 111345, 118197, 126191, 131330, 133614, 145605, 152490, 170729, 174726, 196995, 222690, 223261, 228735, 236394, 252382, 291210, 334035, 341458, 378573, 393990, 436815, 446522, 457470, 512187, 590985, 630955, 668070, 669783, 757146, 853645, 873630, 1024374, 1116305, 1135719, 1181970, 1261910, 1339566, 1536561, 1707290, 1892865, 2009349, 2232610, 2271438, 2560935, 2902393, 3073122, 3348915, 3785730, 4018698, 5121870, 5678595, 5804786, 6697830, 7682805, 8707179, 10046745, 11357190, 14511965, 15365610, 17414358, 20093490, 26121537, 29023930, 43535895, 52243074, 87071790, 130607685, 261215370]

約数ペア:

[(1, 261215370), (2, 130607685), (3, 87071790), (5, 52243074), (6, 43535895), (9, 29023930), (10, 26121537), (13, 20093490), (15, 17414358), (17, 15365610), (18, 14511965), (23, 11357190), (26, 10046745), (30, 8707179), (34, 7682805), (39, 6697830), (45, 5804786), (46, 5678595), (51, 5121870), (65, 4018698), (69, 3785730), (78, 3348915), (85, 3073122), (90, 2902393), (102, 2560935), (115, 2271438), (117, 2232610), (130, 2009349), (138, 1892865), (153, 1707290), (170, 1536561), (195, 1339566), (207, 1261910), (221, 1181970), (230, 1135719), (234, 1116305), (255, 1024374), (299, 873630), (306, 853645), (345, 757146), (390, 669783), (391, 668070), (414, 630955), (442, 590985), (510, 512187), (571, 457470), (585, 446522), (598, 436815), (663, 393990), (690, 378573), (765, 341458), (782, 334035), (897, 291210), (1035, 252382), (1105, 236394), (1142, 228735), (1170, 223261), (1173, 222690), (1326, 196995), (1495, 174726), (1530, 170729), (1713, 152490), (1794, 145605), (1955, 133614), (1989, 131330), (2070, 126191), (2210, 118197), (2346, 111345), (2691, 97070), (2855, 91494), (2990, 87363), (3315, 78798), (3426, 76245), (3519, 74230), (3910, 66807), (3978, 65665), (4485, 58242), (5083, 51390), (5139, 50830), (5382, 48535), (5710, 45747), (5865, 44538), (6630, 39399), (7038, 37115), (7423, 35190), (8565, 30498), (8970, 29121), (9707, 26910), (9945, 26266), (10166, 25695), (10278, 25415), (11730, 22269), (13133, 19890), (13455, 19414), (14846, 17595), (15249, 17130)]