408691920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18713}}^1$

素因数の和:18749

約数の個数: 160

約数和(自身を含む): 1559400192

約数和(自身を除く): 1150708272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 18713, 21840, 37426, 56139, 74852, 93565, 112278, 130991, 149704, 187130, 224556, 243269, 261982, 280695, 299408, 374260, 392973, 449112, 486538, 523964, 561390, 654955, 729807, 748520, 785946, 898224, 973076, 1047928, 1122780, 1216345, 1309910, 1459614, 1497040, 1571892, 1702883, 1946152, 1964865, 2095856, 2245560, 2432690, 2619820, 2919228, 3143784, 3405766, 3649035, 3892304, 3929730, 4491120, 4865380, 5108649, 5239640, 5838456, 6287568, 6811532, 7298070, 7859460, 8514415, 9730760, 10217298, 10479280, 11676912, 13623064, 14596140, 15718920, 17028830, 19461520, 20434596, 25543245, 27246128, 29192280, 31437840, 34057660, 40869192, 51086490, 58384560, 68115320, 81738384, 102172980, 136230640, 204345960, 408691920]

約数ペア:

[(1, 408691920), (2, 204345960), (3, 136230640), (4, 102172980), (5, 81738384), (6, 68115320), (7, 58384560), (8, 51086490), (10, 40869192), (12, 34057660), (13, 31437840), (14, 29192280), (15, 27246128), (16, 25543245), (20, 20434596), (21, 19461520), (24, 17028830), (26, 15718920), (28, 14596140), (30, 13623064), (35, 11676912), (39, 10479280), (40, 10217298), (42, 9730760), (48, 8514415), (52, 7859460), (56, 7298070), (60, 6811532), (65, 6287568), (70, 5838456), (78, 5239640), (80, 5108649), (84, 4865380), (91, 4491120), (104, 3929730), (105, 3892304), (112, 3649035), (120, 3405766), (130, 3143784), (140, 2919228), (156, 2619820), (168, 2432690), (182, 2245560), (195, 2095856), (208, 1964865), (210, 1946152), (240, 1702883), (260, 1571892), (273, 1497040), (280, 1459614), (312, 1309910), (336, 1216345), (364, 1122780), (390, 1047928), (420, 973076), (455, 898224), (520, 785946), (546, 748520), (560, 729807), (624, 654955), (728, 561390), (780, 523964), (840, 486538), (910, 449112), (1040, 392973), (1092, 374260), (1365, 299408), (1456, 280695), (1560, 261982), (1680, 243269), (1820, 224556), (2184, 187130), (2730, 149704), (3120, 130991), (3640, 112278), (4368, 93565), (5460, 74852), (7280, 56139), (10920, 37426), (18713, 21840)]