204095520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{523}}^1$

素因数の和:815

約数の個数: 144

約数和(自身を含む): 700382592

約数和(自身を除く): 496287072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 271, 288, 360, 480, 523, 542, 720, 813, 1046, 1084, 1355, 1440, 1569, 1626, 2092, 2168, 2439, 2615, 2710, 3138, 3252, 4065, 4184, 4336, 4707, 4878, 5230, 5420, 6276, 6504, 7845, 8130, 8368, 8672, 9414, 9756, 10460, 10840, 12195, 12552, 13008, 15690, 16260, 16736, 18828, 19512, 20920, 21680, 23535, 24390, 25104, 26016, 31380, 32520, 37656, 39024, 41840, 43360, 47070, 48780, 50208, 62760, 65040, 75312, 78048, 83680, 94140, 97560, 125520, 130080, 141733, 150624, 188280, 195120, 251040, 283466, 376560, 390240, 425199, 566932, 708665, 753120, 850398, 1133864, 1275597, 1417330, 1700796, 2125995, 2267728, 2551194, 2834660, 3401592, 4251990, 4535456, 5102388, 5669320, 6377985, 6803184, 8503980, 10204776, 11338640, 12755970, 13606368, 17007960, 20409552, 22677280, 25511940, 34015920, 40819104, 51023880, 68031840, 102047760, 204095520]

約数ペア:

[(1, 204095520), (2, 102047760), (3, 68031840), (4, 51023880), (5, 40819104), (6, 34015920), (8, 25511940), (9, 22677280), (10, 20409552), (12, 17007960), (15, 13606368), (16, 12755970), (18, 11338640), (20, 10204776), (24, 8503980), (30, 6803184), (32, 6377985), (36, 5669320), (40, 5102388), (45, 4535456), (48, 4251990), (60, 3401592), (72, 2834660), (80, 2551194), (90, 2267728), (96, 2125995), (120, 1700796), (144, 1417330), (160, 1275597), (180, 1133864), (240, 850398), (271, 753120), (288, 708665), (360, 566932), (480, 425199), (523, 390240), (542, 376560), (720, 283466), (813, 251040), (1046, 195120), (1084, 188280), (1355, 150624), (1440, 141733), (1569, 130080), (1626, 125520), (2092, 97560), (2168, 94140), (2439, 83680), (2615, 78048), (2710, 75312), (3138, 65040), (3252, 62760), (4065, 50208), (4184, 48780), (4336, 47070), (4707, 43360), (4878, 41840), (5230, 39024), (5420, 37656), (6276, 32520), (6504, 31380), (7845, 26016), (8130, 25104), (8368, 24390), (8672, 23535), (9414, 21680), (9756, 20920), (10460, 19512), (10840, 18828), (12195, 16736), (12552, 16260), (13008, 15690)]