15603900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4001}}^1$

素因数の和:4031

約数の個数: 72

約数和(自身を含む): 48632304

約数和(自身を除く): 33028404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 4001, 8002, 12003, 16004, 20005, 24006, 40010, 48012, 52013, 60015, 80020, 100025, 104026, 120030, 156039, 200050, 208052, 240060, 260065, 300075, 312078, 400100, 520130, 600150, 624156, 780195, 1040260, 1200300, 1300325, 1560390, 2600650, 3120780, 3900975, 5201300, 7801950, 15603900]

約数ペア:

[(1, 15603900), (2, 7801950), (3, 5201300), (4, 3900975), (5, 3120780), (6, 2600650), (10, 1560390), (12, 1300325), (13, 1200300), (15, 1040260), (20, 780195), (25, 624156), (26, 600150), (30, 520130), (39, 400100), (50, 312078), (52, 300075), (60, 260065), (65, 240060), (75, 208052), (78, 200050), (100, 156039), (130, 120030), (150, 104026), (156, 100025), (195, 80020), (260, 60015), (300, 52013), (325, 48012), (390, 40010), (650, 24006), (780, 20005), (975, 16004), (1300, 12003), (1950, 8002), (3900, 4001)]