77776020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3631}}^1$

素因数の和:3670

約数の個数: 144

約数和(自身を含む): 285562368

約数和(自身を除く): 207786348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 3631, 4284, 5355, 7140, 7262, 10710, 10893, 14524, 18155, 21420, 21786, 25417, 32679, 36310, 43572, 50834, 54465, 61727, 65358, 72620, 76251, 101668, 108930, 123454, 127085, 130716, 152502, 163395, 185181, 217860, 228753, 246908, 254170, 305004, 308635, 326790, 370362, 381255, 432089, 457506, 508340, 555543, 617270, 653580, 740724, 762510, 864178, 915012, 925905, 1111086, 1143765, 1234540, 1296267, 1525020, 1728356, 1851810, 2160445, 2222172, 2287530, 2592534, 2777715, 3703620, 3888801, 4320890, 4575060, 5185068, 5555430, 6481335, 7777602, 8641780, 11110860, 12962670, 15555204, 19444005, 25925340, 38888010, 77776020]

約数ペア:

[(1, 77776020), (2, 38888010), (3, 25925340), (4, 19444005), (5, 15555204), (6, 12962670), (7, 11110860), (9, 8641780), (10, 7777602), (12, 6481335), (14, 5555430), (15, 5185068), (17, 4575060), (18, 4320890), (20, 3888801), (21, 3703620), (28, 2777715), (30, 2592534), (34, 2287530), (35, 2222172), (36, 2160445), (42, 1851810), (45, 1728356), (51, 1525020), (60, 1296267), (63, 1234540), (68, 1143765), (70, 1111086), (84, 925905), (85, 915012), (90, 864178), (102, 762510), (105, 740724), (119, 653580), (126, 617270), (140, 555543), (153, 508340), (170, 457506), (180, 432089), (204, 381255), (210, 370362), (238, 326790), (252, 308635), (255, 305004), (306, 254170), (315, 246908), (340, 228753), (357, 217860), (420, 185181), (476, 163395), (510, 152502), (595, 130716), (612, 127085), (630, 123454), (714, 108930), (765, 101668), (1020, 76251), (1071, 72620), (1190, 65358), (1260, 61727), (1428, 54465), (1530, 50834), (1785, 43572), (2142, 36310), (2380, 32679), (3060, 25417), (3570, 21786), (3631, 21420), (4284, 18155), (5355, 14524), (7140, 10893), (7262, 10710)]