261545340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{5233}}^1$

素因数の和:5276

約数の個数: 144

約数和(自身を含む): 902174112

約数和(自身を除く): 640628772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 420, 476, 490, 510, 588, 595, 714, 735, 833, 980, 1020, 1190, 1428, 1470, 1666, 1785, 2380, 2499, 2940, 3332, 3570, 4165, 4998, 5233, 7140, 8330, 9996, 10466, 12495, 15699, 16660, 20932, 24990, 26165, 31398, 36631, 49980, 52330, 62796, 73262, 78495, 88961, 104660, 109893, 146524, 156990, 177922, 183155, 219786, 256417, 266883, 313980, 355844, 366310, 439572, 444805, 512834, 533766, 549465, 622727, 732620, 769251, 889610, 1025668, 1067532, 1098930, 1245454, 1282085, 1334415, 1538502, 1779220, 1868181, 2197860, 2490908, 2564170, 2668830, 3077004, 3113635, 3736362, 3846255, 4359089, 5128340, 5337660, 6227270, 7472724, 7692510, 8718178, 9340905, 12454540, 13077267, 15385020, 17436356, 18681810, 21795445, 26154534, 37363620, 43590890, 52309068, 65386335, 87181780, 130772670, 261545340]

約数ペア:

[(1, 261545340), (2, 130772670), (3, 87181780), (4, 65386335), (5, 52309068), (6, 43590890), (7, 37363620), (10, 26154534), (12, 21795445), (14, 18681810), (15, 17436356), (17, 15385020), (20, 13077267), (21, 12454540), (28, 9340905), (30, 8718178), (34, 7692510), (35, 7472724), (42, 6227270), (49, 5337660), (51, 5128340), (60, 4359089), (68, 3846255), (70, 3736362), (84, 3113635), (85, 3077004), (98, 2668830), (102, 2564170), (105, 2490908), (119, 2197860), (140, 1868181), (147, 1779220), (170, 1538502), (196, 1334415), (204, 1282085), (210, 1245454), (238, 1098930), (245, 1067532), (255, 1025668), (294, 889610), (340, 769251), (357, 732620), (420, 622727), (476, 549465), (490, 533766), (510, 512834), (588, 444805), (595, 439572), (714, 366310), (735, 355844), (833, 313980), (980, 266883), (1020, 256417), (1190, 219786), (1428, 183155), (1470, 177922), (1666, 156990), (1785, 146524), (2380, 109893), (2499, 104660), (2940, 88961), (3332, 78495), (3570, 73262), (4165, 62796), (4998, 52330), (5233, 49980), (7140, 36631), (8330, 31398), (9996, 26165), (10466, 24990), (12495, 20932), (15699, 16660)]