28509430920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{105263}}^1$

素因数の和:105375

約数の個数: 128

約数和(自身を含む): 89280714240

約数和(自身を除く): 60771283320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 61, 74, 111, 120, 122, 148, 183, 185, 222, 244, 296, 305, 366, 370, 444, 488, 555, 610, 732, 740, 888, 915, 1110, 1220, 1464, 1480, 1830, 2220, 2257, 2440, 3660, 4440, 4514, 6771, 7320, 9028, 11285, 13542, 18056, 22570, 27084, 33855, 45140, 54168, 67710, 90280, 105263, 135420, 210526, 270840, 315789, 421052, 526315, 631578, 842104, 1052630, 1263156, 1578945, 2105260, 2526312, 3157890, 3894731, 4210520, 6315780, 6421043, 7789462, 11684193, 12631560, 12842086, 15578924, 19263129, 19473655, 23368386, 25684172, 31157848, 32105215, 38526258, 38947310, 46736772, 51368344, 58420965, 64210430, 77052516, 77894620, 93473544, 96315645, 116841930, 128420860, 154105032, 155789240, 192631290, 233683860, 237578591, 256841720, 385262580, 467367720, 475157182, 712735773, 770525160, 950314364, 1187892955, 1425471546, 1900628728, 2375785910, 2850943092, 3563678865, 4751571820, 5701886184, 7127357730, 9503143640, 14254715460, 28509430920]

約数ペア:

[(1, 28509430920), (2, 14254715460), (3, 9503143640), (4, 7127357730), (5, 5701886184), (6, 4751571820), (8, 3563678865), (10, 2850943092), (12, 2375785910), (15, 1900628728), (20, 1425471546), (24, 1187892955), (30, 950314364), (37, 770525160), (40, 712735773), (60, 475157182), (61, 467367720), (74, 385262580), (111, 256841720), (120, 237578591), (122, 233683860), (148, 192631290), (183, 155789240), (185, 154105032), (222, 128420860), (244, 116841930), (296, 96315645), (305, 93473544), (366, 77894620), (370, 77052516), (444, 64210430), (488, 58420965), (555, 51368344), (610, 46736772), (732, 38947310), (740, 38526258), (888, 32105215), (915, 31157848), (1110, 25684172), (1220, 23368386), (1464, 19473655), (1480, 19263129), (1830, 15578924), (2220, 12842086), (2257, 12631560), (2440, 11684193), (3660, 7789462), (4440, 6421043), (4514, 6315780), (6771, 4210520), (7320, 3894731), (9028, 3157890), (11285, 2526312), (13542, 2105260), (18056, 1578945), (22570, 1263156), (27084, 1052630), (33855, 842104), (45140, 631578), (54168, 526315), (67710, 421052), (90280, 315789), (105263, 270840), (135420, 210526)]