66873420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:624

約数の個数: 144

約数和(自身を含む): 219360960

約数和(自身を除く): 152487540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 29, 30, 36, 45, 46, 58, 60, 69, 87, 90, 92, 115, 116, 138, 145, 174, 180, 207, 230, 261, 276, 290, 345, 348, 414, 435, 460, 522, 557, 580, 667, 690, 828, 870, 1035, 1044, 1114, 1305, 1334, 1380, 1671, 1740, 2001, 2070, 2228, 2610, 2668, 2785, 3335, 3342, 4002, 4140, 5013, 5220, 5570, 6003, 6670, 6684, 8004, 8355, 10005, 10026, 11140, 12006, 12811, 13340, 16153, 16710, 20010, 20052, 24012, 25065, 25622, 30015, 32306, 33420, 38433, 40020, 48459, 50130, 51244, 60030, 64055, 64612, 76866, 80765, 96918, 100260, 115299, 120060, 128110, 145377, 153732, 161530, 192165, 193836, 230598, 242295, 256220, 290754, 323060, 371519, 384330, 461196, 484590, 576495, 581508, 726885, 743038, 768660, 969180, 1114557, 1152990, 1453770, 1486076, 1857595, 2229114, 2305980, 2907540, 3343671, 3715190, 4458228, 5572785, 6687342, 7430380, 11145570, 13374684, 16718355, 22291140, 33436710, 66873420]

約数ペア:

[(1, 66873420), (2, 33436710), (3, 22291140), (4, 16718355), (5, 13374684), (6, 11145570), (9, 7430380), (10, 6687342), (12, 5572785), (15, 4458228), (18, 3715190), (20, 3343671), (23, 2907540), (29, 2305980), (30, 2229114), (36, 1857595), (45, 1486076), (46, 1453770), (58, 1152990), (60, 1114557), (69, 969180), (87, 768660), (90, 743038), (92, 726885), (115, 581508), (116, 576495), (138, 484590), (145, 461196), (174, 384330), (180, 371519), (207, 323060), (230, 290754), (261, 256220), (276, 242295), (290, 230598), (345, 193836), (348, 192165), (414, 161530), (435, 153732), (460, 145377), (522, 128110), (557, 120060), (580, 115299), (667, 100260), (690, 96918), (828, 80765), (870, 76866), (1035, 64612), (1044, 64055), (1114, 60030), (1305, 51244), (1334, 50130), (1380, 48459), (1671, 40020), (1740, 38433), (2001, 33420), (2070, 32306), (2228, 30015), (2610, 25622), (2668, 25065), (2785, 24012), (3335, 20052), (3342, 20010), (4002, 16710), (4140, 16153), (5013, 13340), (5220, 12811), (5570, 12006), (6003, 11140), (6670, 10026), (6684, 10005), (8004, 8355)]