1661252580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41761}}^1$

素因数の和:41806

約数の個数: 144

約数和(自身を含む): 5746117104

約数和(自身を除く): 4084864524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7956, 9945, 13260, 19890, 39780, 41761, 83522, 125283, 167044, 208805, 250566, 375849, 417610, 501132, 542893, 626415, 709937, 751698, 835220, 1085786, 1252830, 1419874, 1503396, 1628679, 1879245, 2129811, 2171572, 2505660, 2714465, 2839748, 3257358, 3549685, 3758490, 4259622, 4886037, 5428930, 6389433, 6514716, 7099370, 7516980, 8143395, 8519244, 9229181, 9772074, 10649055, 10857860, 12778866, 14198740, 16286790, 18458362, 19544148, 21298110, 24430185, 25557732, 27687543, 31947165, 32573580, 36916724, 42596220, 46145905, 48860370, 55375086, 63894330, 83062629, 92291810, 97720740, 110750172, 127788660, 138437715, 166125258, 184583620, 276875430, 332250516, 415313145, 553750860, 830626290, 1661252580]

約数ペア:

[(1, 1661252580), (2, 830626290), (3, 553750860), (4, 415313145), (5, 332250516), (6, 276875430), (9, 184583620), (10, 166125258), (12, 138437715), (13, 127788660), (15, 110750172), (17, 97720740), (18, 92291810), (20, 83062629), (26, 63894330), (30, 55375086), (34, 48860370), (36, 46145905), (39, 42596220), (45, 36916724), (51, 32573580), (52, 31947165), (60, 27687543), (65, 25557732), (68, 24430185), (78, 21298110), (85, 19544148), (90, 18458362), (102, 16286790), (117, 14198740), (130, 12778866), (153, 10857860), (156, 10649055), (170, 9772074), (180, 9229181), (195, 8519244), (204, 8143395), (221, 7516980), (234, 7099370), (255, 6514716), (260, 6389433), (306, 5428930), (340, 4886037), (390, 4259622), (442, 3758490), (468, 3549685), (510, 3257358), (585, 2839748), (612, 2714465), (663, 2505660), (765, 2171572), (780, 2129811), (884, 1879245), (1020, 1628679), (1105, 1503396), (1170, 1419874), (1326, 1252830), (1530, 1085786), (1989, 835220), (2210, 751698), (2340, 709937), (2652, 626415), (3060, 542893), (3315, 501132), (3978, 417610), (4420, 375849), (6630, 250566), (7956, 208805), (9945, 167044), (13260, 125283), (19890, 83522), (39780, 41761)]