649310040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{16249}}^1$

素因数の和:16306

約数の個数: 128

約数和(自身を含む): 2223000000

約数和(自身を除く): 1573689960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 90, 108, 111, 120, 135, 148, 180, 185, 216, 222, 270, 296, 333, 360, 370, 444, 540, 555, 666, 740, 888, 999, 1080, 1110, 1332, 1480, 1665, 1998, 2220, 2664, 3330, 3996, 4440, 4995, 6660, 7992, 9990, 13320, 16249, 19980, 32498, 39960, 48747, 64996, 81245, 97494, 129992, 146241, 162490, 194988, 243735, 292482, 324980, 389976, 438723, 487470, 584964, 601213, 649960, 731205, 877446, 974940, 1169928, 1202426, 1462410, 1754892, 1803639, 1949880, 2193615, 2404852, 2924820, 3006065, 3509784, 3607278, 4387230, 4809704, 5410917, 5849640, 6012130, 7214556, 8774460, 9018195, 10821834, 12024260, 14429112, 16232751, 17548920, 18036390, 21643668, 24048520, 27054585, 32465502, 36072780, 43287336, 54109170, 64931004, 72145560, 81163755, 108218340, 129862008, 162327510, 216436680, 324655020, 649310040]

約数ペア:

[(1, 649310040), (2, 324655020), (3, 216436680), (4, 162327510), (5, 129862008), (6, 108218340), (8, 81163755), (9, 72145560), (10, 64931004), (12, 54109170), (15, 43287336), (18, 36072780), (20, 32465502), (24, 27054585), (27, 24048520), (30, 21643668), (36, 18036390), (37, 17548920), (40, 16232751), (45, 14429112), (54, 12024260), (60, 10821834), (72, 9018195), (74, 8774460), (90, 7214556), (108, 6012130), (111, 5849640), (120, 5410917), (135, 4809704), (148, 4387230), (180, 3607278), (185, 3509784), (216, 3006065), (222, 2924820), (270, 2404852), (296, 2193615), (333, 1949880), (360, 1803639), (370, 1754892), (444, 1462410), (540, 1202426), (555, 1169928), (666, 974940), (740, 877446), (888, 731205), (999, 649960), (1080, 601213), (1110, 584964), (1332, 487470), (1480, 438723), (1665, 389976), (1998, 324980), (2220, 292482), (2664, 243735), (3330, 194988), (3996, 162490), (4440, 146241), (4995, 129992), (6660, 97494), (7992, 81245), (9990, 64996), (13320, 48747), (16249, 39960), (19980, 32498)]